Head vs CT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Head
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El sistema HEAD-US es una sistemática de valoración ecográfica descrita por el Profesor Martinoli para el estudio de las manifestaciones articulares en pacientes con hemofilia. Esta aplicación dirigida a médicos, es una ayuda para aprender el sistema HEAD-US, pero no reemplaza un aprendizaje reglado, ni cualifica para su uso. En ningún caso se deben tomar actitudes terapéuticas basadas exclusivamente en la información contenida en esta aplicación.
CT
This app provides a didactic and effective way for students, radiologists, and bio-image graduates to learn and reinforce their knowledge of computed tomography protocols. It features a human body model with selectable protocols, detailing essential information for each study.
- Human body model for protocol selection
- Detailed protocol information
- Indications and preparation guidance
- Scout view and FOV details
- Cut thickness and gap information
- Window settings and reconstruction plans
- Protocol-specific images
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CT - Computed Tomography is an app that was created for all students, radiologists and Graduates in Bio-Image production who wish to learn or reinforce their knowledge in a simple way. Within the app you will find a human body where you can select different protocols and learn in a didactic and effective way. In each section of the human body you will find the information necessary to carry out your computed tomography study: - Indications - Previous preparation - Scout view - Fov - Cut thickness and gap - Windows - Reconstruction plans, etc. Also in each protocol you find different images. Wouldn't you like to always have a help for your studies at hand and be able to reinforce your knowledge? Download CT - Computed Tomography for FREE! All information provided in this app is to support the study, nothing should be taken as a medical recommendation of any kind. If you have any questions, consult your trusted doctor.
Screenshots
Verdict
The clearest difference is ads: Head at none against CT's shown. CT's advantage is update cadence (every 12 months vs every 33 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Head ships an update every 33 months, CT every 12 months. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.
| Parameter | Head | CT |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (12 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 33 months | Every 12 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 231 MB | 55 MB |
| Age rating | 17+ | 12+ |
| Developer | Simed Software SL | Fabricio Tarter |
In-app purchases
Head
No in-app purchases
CT
No in-app purchases
